psu recommendation crossfire 270x

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Justsin8737

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Jul 2, 2015
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hey, I have an asus atx ddr3 2600
with an amd a8 6600
18 gb of ram 1 x8gb 2 x4gb 1 x2gb
5 fans
xfx r9 270x

all ran fine with 600 w psu

I was gifted a msi r9 270x hawk and was wondering what people could advise, I did have it running in crossfire briefly but now it wont recognize the second card. I assume it just isn't enough power. any thoughts. thanks
 
Solution
jasonw223
Each of those 270x cards will draw around 150w max. from the PSU. If it is a decent quality 600w power supply then it probably isn't the problem. If it is something cheap or a no-name type brand then you might be on to something.

Maybe try running each card separately and double check that they are both working. I'd be skeptical of a video card that was 'gifted' to me...
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jasonw223

jasonw223

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Jul 8, 2010
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Each of those 270x cards will draw around 150w max. from the PSU. If it is a decent quality 600w power supply then it probably isn't the problem. If it is something cheap or a no-name type brand then you might be on to something.

Maybe try running each card separately and double check that they are both working. I'd be skeptical of a video card that was 'gifted' to me...
 
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J

Justsin8737

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Jul 2, 2015
7
0
4,510
thanks, and both cards run separately, and it was just faster to say gifted than family member gave me a present. so its not the cards of that I'm certain. as I said the mobo is ASUS ATX DDR3 2600 cross ranger the psu is an evga b 600w, I'm not at home in front of it so more than that I cannot give atm. I can say it has 2 pci-e six pins and 4 molex which for the second card takes all 4. I have a bad feeling it may be the second pci slot that is the problem since each card works, and I tried running it with only a hard drive 2 fans and both cards nothing more. and both cards fans will spin but in device manager it will not recognize the second card. nor will it recognize any card if I just use the second pci-e slot with just one card in it. It ran and recognized both cards briefly, and everything else is fine, with the exception of the second pci-e so maybe I can ask a simpler question. if I put a card into the second pci-e slot and only that slot should it be recognized. because it's either that, or the psu. because it runs fine in every other way. thank you again for any advice :)
 
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